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ntm/user/assistant
Comprehensive Guide to
Sexually Transmitted
Infections (STIs) and
Prevention | Study Guide,
Practice Questions &
Health Education Review
, Sexually Transmitted Infections and HIV/AIDS
Passage: :What are sexually transmitted infections (STIs)? STIs are infections transmitted from
person to person through sexual contact, including oral sex and skin-to-skin contact. More than 1
million people are infected with STIs worldwide each day. In the U.S., there were 2.2 million
diagnosed cases of STIs in 2024. STIs can also be transmitted through contact with the blood of an
infected person. Sexual abstinence, which is choosing not to engage in any sexual behaviors until
entering a committed relationship of marriage, eliminates health risks associated with STIs and
allows individuals to focus on personal goals. Emotional risks of having multiple sexual partners
include regret, rejection, embarrassment, or guilt, which can lead to poor self-esteem and trigger
anxiety or depression.
Q1. What are sexually transmitted infections (STIs)?
Answer: Sexually transmitted infections (STIs) are infections transmitted from person to
person through sexual contact, including oral sex and skin-to-skin contact.
Q2. How many people are infected with STIs worldwide each day?
Answer: More than 1 million people are infected with STIs worldwide each day.
Q3. How many diagnosed cases of STIs were there in the U.S. in 2024?
Answer: There were 2.2 million diagnosed cases of STIs in the U.S. in 2024.
Q4. What is one way STIs can be transmitted besides sexual contact?
Answer: STIs can be transmitted through contact with the blood of an infected person.
Q5. What is sexual abstinence, and what are its benefits?
, Answer: Sexual abstinence is choosing not to engage in any sexual behaviors until entering
a committed relationship of marriage. Its benefits include eliminating health risks associated
with STIs and allowing individuals to focus on personal goals.
Q6. What are the emotional risks of having multiple sexual partners?
Answer: Emotional risks of having multiple sexual partners include regret, rejection,
embarrassment, or guilt, which can lead to poor self-esteem and trigger anxiety or
depression.
Passage: There are two main categories of STIs:There are two main categories of STIs: bacterial
and viral infections. Many STIs are asymptomatic, meaning they can be present without
symptoms, making them unnoticed and untreated. Chlamydia is the most common bacterial STI,
with more than 1.5 million cases reported annually in the U.S. One in 20 sexually active young
adults (ages 1524) has Chlamydia. Gonorrhea is the second most diagnosed bacterial STI, which is
curable but must be diagnosed and treated. Untreated Chlamydia and Gonorrhea in females can
lead to Pelvic Inflammatory Disease (PID), which can cause permanent damage to reproductive
organs. Syphilis is another bacterial STI that can be deadly if not treated in the first two stages:
Primary, Secondary, and Latent stages.
Q1. What are the two main categories of STIs?
Answer: The two main categories of STIs are bacterial and viral infections.
Q2. What does it mean that many STIs are asymptomatic?
Answer: Many STIs are asymptomatic, meaning they can be present without symptoms,
making them unnoticed and untreated.
Q3. What is Chlamydia, and how common is it?
, Answer: Chlamydia is the most common bacterial STI, with more than 1.5 million cases
reported annually in the U.S. One in 20 sexually active young adults (ages 15–24) has
Chlamydia.
Q4. What is Gonorrhea, and what can untreated Chlamydia and Gonorrhea lead to in females?
Answer: Gonorrhea is the second most diagnosed bacterial STI, which is curable but must
be diagnosed and treated. Untreated Chlamydia and Gonorrhea in females can lead to Pelvic
Inflammatory Disease (PID), which can cause permanent damage to reproductive organs.
Q5. What is Syphilis, and what are its stages?
Answer: Syphilis is a bacterial STI that can be deadly if not treated in the first two stages.
The three stages of Syphilis are Primary, Secondary, and Latent stages.
Passage: :Genital Herpes is caused by the HSV-2 virus, which causes blisters in the genital area.
Over 1 million new cases of genital herpes occur annually in the 1449 age range. HPV (Human
Papillomavirus) is the most common viral STI, with over 43 million people infected in the U.S.
High-risk strains of HPV can cause an increased risk for cervical cancer and other reproductive
cancers. Trichomoniasis is the most common non-viral STI caused by a parasite, which can be
cured.
Q1. What causes Genital Herpes, and how common is it?
Answer: Genital Herpes is caused by the HSV-2 virus, which causes blisters in the genital
area. Over 1 million new cases of genital herpes occur annually in the 14–49 age range.
Q2. What is HPV, and what can high-risk strains of HPV cause?
ntm/user/assistant
Comprehensive Guide to
Sexually Transmitted
Infections (STIs) and
Prevention | Study Guide,
Practice Questions &
Health Education Review
, Sexually Transmitted Infections and HIV/AIDS
Passage: :What are sexually transmitted infections (STIs)? STIs are infections transmitted from
person to person through sexual contact, including oral sex and skin-to-skin contact. More than 1
million people are infected with STIs worldwide each day. In the U.S., there were 2.2 million
diagnosed cases of STIs in 2024. STIs can also be transmitted through contact with the blood of an
infected person. Sexual abstinence, which is choosing not to engage in any sexual behaviors until
entering a committed relationship of marriage, eliminates health risks associated with STIs and
allows individuals to focus on personal goals. Emotional risks of having multiple sexual partners
include regret, rejection, embarrassment, or guilt, which can lead to poor self-esteem and trigger
anxiety or depression.
Q1. What are sexually transmitted infections (STIs)?
Answer: Sexually transmitted infections (STIs) are infections transmitted from person to
person through sexual contact, including oral sex and skin-to-skin contact.
Q2. How many people are infected with STIs worldwide each day?
Answer: More than 1 million people are infected with STIs worldwide each day.
Q3. How many diagnosed cases of STIs were there in the U.S. in 2024?
Answer: There were 2.2 million diagnosed cases of STIs in the U.S. in 2024.
Q4. What is one way STIs can be transmitted besides sexual contact?
Answer: STIs can be transmitted through contact with the blood of an infected person.
Q5. What is sexual abstinence, and what are its benefits?
, Answer: Sexual abstinence is choosing not to engage in any sexual behaviors until entering
a committed relationship of marriage. Its benefits include eliminating health risks associated
with STIs and allowing individuals to focus on personal goals.
Q6. What are the emotional risks of having multiple sexual partners?
Answer: Emotional risks of having multiple sexual partners include regret, rejection,
embarrassment, or guilt, which can lead to poor self-esteem and trigger anxiety or
depression.
Passage: There are two main categories of STIs:There are two main categories of STIs: bacterial
and viral infections. Many STIs are asymptomatic, meaning they can be present without
symptoms, making them unnoticed and untreated. Chlamydia is the most common bacterial STI,
with more than 1.5 million cases reported annually in the U.S. One in 20 sexually active young
adults (ages 1524) has Chlamydia. Gonorrhea is the second most diagnosed bacterial STI, which is
curable but must be diagnosed and treated. Untreated Chlamydia and Gonorrhea in females can
lead to Pelvic Inflammatory Disease (PID), which can cause permanent damage to reproductive
organs. Syphilis is another bacterial STI that can be deadly if not treated in the first two stages:
Primary, Secondary, and Latent stages.
Q1. What are the two main categories of STIs?
Answer: The two main categories of STIs are bacterial and viral infections.
Q2. What does it mean that many STIs are asymptomatic?
Answer: Many STIs are asymptomatic, meaning they can be present without symptoms,
making them unnoticed and untreated.
Q3. What is Chlamydia, and how common is it?
, Answer: Chlamydia is the most common bacterial STI, with more than 1.5 million cases
reported annually in the U.S. One in 20 sexually active young adults (ages 15–24) has
Chlamydia.
Q4. What is Gonorrhea, and what can untreated Chlamydia and Gonorrhea lead to in females?
Answer: Gonorrhea is the second most diagnosed bacterial STI, which is curable but must
be diagnosed and treated. Untreated Chlamydia and Gonorrhea in females can lead to Pelvic
Inflammatory Disease (PID), which can cause permanent damage to reproductive organs.
Q5. What is Syphilis, and what are its stages?
Answer: Syphilis is a bacterial STI that can be deadly if not treated in the first two stages.
The three stages of Syphilis are Primary, Secondary, and Latent stages.
Passage: :Genital Herpes is caused by the HSV-2 virus, which causes blisters in the genital area.
Over 1 million new cases of genital herpes occur annually in the 1449 age range. HPV (Human
Papillomavirus) is the most common viral STI, with over 43 million people infected in the U.S.
High-risk strains of HPV can cause an increased risk for cervical cancer and other reproductive
cancers. Trichomoniasis is the most common non-viral STI caused by a parasite, which can be
cured.
Q1. What causes Genital Herpes, and how common is it?
Answer: Genital Herpes is caused by the HSV-2 virus, which causes blisters in the genital
area. Over 1 million new cases of genital herpes occur annually in the 14–49 age range.
Q2. What is HPV, and what can high-risk strains of HPV cause?
